I'm going to be hosting one of my websites on a VPS soon and I want to make it as secure as possible. Only I will need access to the VPS, and I can't see that changing in the near future. Because it ...

I have a basic understanding of private/public key cryptography and have been using it for SSH logins and GPG encryption/signing for a while now. However, I have always kept the private key/keyrings ...

The Dangers of Open Wi-Fi
How does one go about sending valuable information (for example inputting email username and password) over a free password-less public WiFi network?
The only option that I ...

I wonder, if I am allowed to develop an SSH client for distribution through Apple App Store without breaking any export regulations? I don't really know much about the encryption algorithm. Below is a ...

When SSHing to a host that has been compromised (or outright replaced using the stolen server keys) by an attacker with root permissions, what is the worst that can happen to the client?
It is well ...

I am using and authorized_hosts file to authorise certain keys. One of those is restricted with the prefix from="1.2.3.4", the others are valid from anywhere.
When accessing from a machine that has ...

I'm looking for a pattern to store a config file containing sensitive information in a semi trusted hosting environment. Semi trusted in this case meaning I trust them in general, but not with this ...

Is there any reason to worry about running tmux/wemux on a bastion host? It seems to me that it would open up vectors to have your terminal sessions hijacked by some locally exploited account on the ...

I've got a class exercise that involves a virtual game of Werewolves/Mafia. We're not really taught how to do anything in this class, which makes it hard for everyone to do the labs.
The idea is that ...

I have the following set-up.
Home pc ---reverse ssh tunnel---> to linux server
The reverse ssh tunnel is set-up so that on my home pc, port 22 is open, but I have nothing currently listening on that ...

I have a requirement to set up a SSH tunnel between two hosts. SSH server runs on a Linux host, and the SSH client (PuTTY) runs on a Windows host.
I have set up a separate user account (say 'tunnel') ...

I'm going to purchase my own dedicated server service soon and run few python server scripts on it.
Firstly, let me tell you that I am total noob when it comes to internet security and was unable to ...

"This vulnerability is located within the Dropbear daemon and occurs due
to the way the server manages channels concurrency. A specially crafted
request can trigger a use after free condition which ...

OpenSSL seems to bundle the private key together with the public key when it produces .pem files. Is there a way to prevent this from happening; i.e. prevent OpenSSL from creating a .pem private key ...

this forum has been brilliant so far. Just wondering if I can get a bit more help:
Can I get some info on a large amount of SSH brute force attacks originating from port 11 on the external host over ...

How can I disable DSA and ECDSA authentication on my server with OpenSSH 5.9? Sifting through the documentation material and doing a web search didn't yield any results - only an old bug report for ...

Which is the most vulnerable to MITM attacks, SSL or SSH?
Here's the scenario, you have 20 minutes to set up a web proxy like this:
Laptop -> Chrome Browser -> Web Proxy -> Internet
You must secure ...

I would like to be able to not just centrally monitor but also filter any organizational data moving out our edge routers, regardless of the sender application and regardless of the protocol/port used ...